MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to files with generic names, suggesting a link farm designed to host malicious content. The document body and heuristics indicate a lure related to downloading a schematic, likely a pretext to trick users into downloading a payload. No scripts were extracted from this sample, limiting the ability to determine the exact payload delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://djsacademy.com/uploads/1/3/1/3/131378814/131378814.html#iphone+6s+schematic+pdf+download PDF link annotation
- http://webmail.beautysalon73.nl/uploads/1/3/0/6/130605002/naliruni.pdfIn PDF document text
- http://wordgander.com/uploads/1/3/1/1/131163793/46e0f986e5eb418.pdfIn PDF document text
- http://toyotachr-sg.com/uploads/1/3/1/4/131437728/donajekipozum.pdfIn PDF document text
- http://firstautomotiveadministrators.com/uploads/1/3/0/7/130739027/tadimuzagiwori-sajugenig-kudimisaworuko.pdfIn PDF document text
- http://michaelapollock.com/uploads/1/3/0/5/130543141/mebiboravi-buzokevijageso-gokosabinum-pekas.pdfIn PDF document text
- http://techknowledgeuae.com/uploads/1/3/1/6/131637679/zogidusabu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F23 | 8608 bytes |
SHA-256: 7c5df7f037e618b011b72fbf41511491c4fb82d6ea7d19cd8766195f0f5313ef |
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font_01_sfnt_off0000903d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x903D | 2668 bytes |
SHA-256: bb66d78edca8aa75a8db461931e44ad6eab12e4cd439df836d92d13c6ef6c22d |
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